US5584828A - Disposable diaper - Google Patents
Disposable diaper Download PDFInfo
- Publication number
- US5584828A US5584828A US08/425,564 US42556495A US5584828A US 5584828 A US5584828 A US 5584828A US 42556495 A US42556495 A US 42556495A US 5584828 A US5584828 A US 5584828A
- Authority
- US
- United States
- Prior art keywords
- diaper
- edge
- cuff
- cuffs
- side edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
- A61F13/4942—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier the barrier not being integral with the top- or back-sheet
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49017—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/491—Absorbent articles specially adapted to be worn around the waist, e.g. diapers specially adapted for gender distinct urine discharge pattern
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/495—Absorbent articles specially adapted to be worn around the waist, e.g. diapers with faecal cavity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
- A61F2013/49022—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material being elastomeric sheet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
- A61F2013/49031—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material being elastic in longitudinal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
- A61F2013/49033—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material being elastic in transversal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F2013/49042—Form-fitting, self-adjusting disposable diapers with only stretchable part, i.e. part being not elastic but only extensible with not a full recovery of its original length
- A61F2013/49044—Form-fitting, self-adjusting disposable diapers with only stretchable part, i.e. part being not elastic but only extensible with not a full recovery of its original length being stretchable non-elastic panels
- A61F2013/49046—Form-fitting, self-adjusting disposable diapers with only stretchable part, i.e. part being not elastic but only extensible with not a full recovery of its original length being stretchable non-elastic panels at the crotch
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F2013/49068—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline
- A61F2013/49074—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline hourglass; dog bone-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
- A61F2013/4944—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier having multiple barriers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F2013/4948—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being elastic
Definitions
- the present invention relates to a disposable diaper.
- Disposable diapers are well known, in which a pair of cuffs longitudinally extend on the inner surface of the diaper along the transversely opposite sides thereof across front and rear sections as well as a crotch section and normally tend to be risen on the inner surface and in order to prevent body fluids from leaking laterally of the diaper.
- FIG. 5 in the accompanying drawings is a plan view exemplarily showing such a known disposable diaper as partially broken away.
- the diaper 1 has a basic body 5 comprising a liquid-permeable topsheet 2, a liquid-impermeable backsheet 3 and an hourglass-shaped liquid-absorbent core 4 sandwiched between these two sheets 2, 3 so as to form a front section 6, a rear section 7 and a crotch section 8 interposed between these two sections 6, 7 longitudinally of the diaper 1.
- a pair of cuffs 10 longitudinally extend along transversely opposite sides of the basic body 5 across the front and rear sections 6, 7 as well as the crotch section 8 so that these cuffs 10 may bear against the wearer's crotch as the diaper 1 is worn.
- the basic body 5 is provided with elastic members (first elastic members) 11 extending along transversely opposite side edges thereof and bonded in their stretched states to the inner surface of the backsheet 3 for fitness around the respective legs of the user.
- a pair of tape fasteners 12 outwardly extend from transversely opposite side edges of the rear section 7.
- Each of the cuffs 10 comprises a rectangular strip of sheet having a width W except its margin for bonding.
- the cuff 10 has an inner side edge 15 which is a free edge and to which an elastic member (second elastic member) 16 is bonded in its longitudinally stretched state, and an outer side edge 17 extending in parallel to the inner side edge 15.
- the outer side edge 17 and longitudinally opposite ends 18, 19 of the cuff 10 are bonded to the inner surface of the diaper's basic body 5.
- the cuff 10 With such diaper 1 being worn, the cuff 10 is biased under the contraction of the second elastic member 16 to be risen on the topsheet 2 and to form together with the topsheet 2 a pocket (not shown) opening inwardly of the diaper 1.
- the cuff 10 forms a barrier which has a height corresponding to the width W and serves against excretion leakage as the cuff 10 is risen substantially in the vertical direction in the crotch zone 8.
- Such diaper 1 is disclosed, for example, in U.S. Pat. No. 4,695,278.
- the width W may be dimensioned to be correspondingly large.
- the larger the width W is the larger the extent of the topsheet may be covered by the cuffs and the smaller the area of the topsheet effective for excretion-permeation may be.
- the lateral leakage of excretion will be rather apt to occur.
- each cuff extending outward is folded back inwardly of a diaper along a transversely middle line of the cuff at least in a crotch section of the diaper so that the desired absorbing function of the diaper may be assured even if the width of each cuff is dimensioned to be relatively large.
- a disposable diaper comprising a liquid-permeable topsheet, a liquid-impermeable backsheet, a liquid-absorbent core sandwiched between said top- and backsheets longitudinally forming a front section, a rear section and a crotch section interposed between said front and rear sections, a pair of elasticized leg surrounding side flaps extending outwardly of transversely opposite sides of said core, and a pair of elasticized cuffs longitudinally extending on the inner surface of said side flaps along transversely opposite side edges of said core across said front and rear sections as well as said crotch section and normally tending to be risen on said surface, wherein each of said cuffs has one side edge and longitudinally opposite ends, these ends being fixedly bonded to said inner surface, a free side edge opposed to said fixed bended side edge and an intermediate region extending between said fixedly bonded side edge and said free side edge, and each of said cuffs is inwardly
- the cuffs do not cover the topsheet over an unacceptably large area even when the width of each cuff is dimensioned to be relatively large, since the cuffs extending outward are folded back inwardly of the diaper at least in the crotch section.
- FIG. 1 is a plan view showing an embodiment of a diaper according to the invention as partially broken away;
- FIG. 2 is a sectional view taken along a line 2--2 in FIG. 1;
- FIG. 3 is a sectional view taken along a line 3--3 in FIG. 1;
- FIG. 4A shows a modification of a diaper according to the present invention in a partially broken away plan view
- FIG. 4B is a detail view of the cuff of the diaper of FIG. 4A.
- FIG. 5 is a plan view showing a well known diaper.
- a diaper 1 comprises a liquid-permeable topsheet 2, a liquid-impermeable backsheet 3 and a liquid-absorbent core 4 sandwiched between these two sheets 2, 3, longitudinally forming a front section 6, a rear section 7 and a crotch section 8 interposed between these two sections 6, 7.
- the liquid-absorbent core 4 is hourglass-shaped and provided along transversely opposite sides thereof with notches 14 contributing to a good fitness of the diaper 1 around the respective legs of the wearer.
- top- and backsheets 2, 3 outwardly extend from the periphery of the liquid-absorbent core 4 and are water-tightly bonded together in these outwardly extending regions to form leg surrounding side flaps 11A and waist surrounding flaps 11B of the front and rear sections 6, 7, respectively.
- a pair of cuffs 10 longitudinally extend on the inner surface of the side flaps 11A along transversely opposite side edges of the core 4 across the front section 6, the crotch section 8 and the rear section 7.
- Each of the side flaps 11A contains therein an elastic member (first elastic member) 12 sandwiched between the top- and backsheets 2, 3 adjacent the outer side edge of the side flap 11A, and continuously or intermittently bonded to them as it is being stretched longitudinally of the diaper 1.
- a pair of tape fasteners 13 outwardly extend from transversely opposite side edges of the rear section 7, respectively.
- the cuff 10 comprises a strip of sheet having a soft touch such as a nonwoven fabric, preferably a strip of liquid-impermeable sheet, more preferably a strip of airpermeable but liquid-impermeable sheet and has been inwardly folded along a folding line 15 extending longitudinally of the diaper 1.
- a strip of sheet having a soft touch such as a nonwoven fabric
- a strip of liquid-impermeable sheet more preferably a strip of airpermeable but liquid-impermeable sheet and has been inwardly folded along a folding line 15 extending longitudinally of the diaper 1.
- One side edge of the cuff 10 is bonded by hot melt adhesive 16 to the topsheet 2 to define a fixed edge 17 and the other side edge defines a free edge 18 to which an elastic member (second elastic member) 19 is bonded as it is being stretched longitudinally of the diaper 1.
- An intermediate region 20 including said folding line 15 is defined between the fixed edge 17 and the free edge 18 and comprises a region corresponding to a width A from the fixed edge 17 to the folding line 15 and a region corresponding to a width B from the folding line 15 to the free edge 18.
- the region corresponding to the width A is laid above the first elastic member 12.
- Such cuff 10 forms a pocket 21 opening inwardly of the diaper 1.
- longitudinally rear ends of the cuff 10 has one surface put one on another by folding it back onto itself and bonded by hot melt adhesive 16 together and the other surface opposed to the topsheet 2 bonded also by hot melt adhesive 16 to the topsheet 2. Consequently, the pocket is in its closed state as far as this region is concerned. It should be understood that the longitudinally front end of the cuff 10 is constructed in the same manner as the longitudinally rear end is constructed.
- the diaper 1 With the diaper 1 of such construction being worn, the diaper 1 is curved inwardly along the longitudinal direction thereof and simultaneously the second elastic member 19 contracts. As indicated by imaginary lines in FIG. 2, the contraction of the second elastic member 19 rises the cuff 10 inside the diaper 1 and thereby forms a barrier having a height corresponding substantially to the total width A plus B of the cuff 10 in the crotch section 8.
- the free edge 18 of the cuff 10 is bonded with its longitudinally front and rear ends to the inner surface of the diaper 1 and therefore the barrier has its height progressively reduced toward these ends.
- portions of front and rear sections 6, 7 extending outwardly from respective notches 14 of an hourglass-shaped liquid-absorbent core 4 are bonded together and cut out in parallel to the respective notches 14, i.e., in circular-arc-shape to form leg surrounding flaps 11.
- Each of these flaps 11 contains therein first elastic member 12 extending in parallel to the notch 14 and bonded to the top- and backsheets 2, 3 as it is being stretched longitudinally of a diaper.
- a cuff 10 has a fixed edge 17 bordered by a curved line describing a circular arc substantially in parallel to the flap 11 and a free edge 18 bordered by a straight line extending longitudinally of the diaper, immediately inside and in parallel to which a second elastic member 19 bonded in its stretched state to the cuff 10.
- the extend defined between these two edges 17, 18 is adapted to be folded back along a broken line 15 onto itself.
- the cuff 10 is attached to the basic body of the diaper with the fixed edge 17 being bonded to the inner surface of the associated flap 11 and the free edge 18 being inwardly folded back along the broken line 15 toward the inner surface of the diaper followed by bonding at the longitudinally opposite ends lying outside the corresponding ends of the liquid-absorbent core 4 to the inner surface of the diaper.
- the cuff 10 can form in a crotch section 8 the barrier of which the height corresponds substantially to the total width A plus B of this cuff 10 without an apprehension that the effective area of the topsheet 2 for liquid-permeation might be unacceptably reduced due to bonding the cuff 10 to the topsheet 2, since the cuff 10 is substantially not bonded to the region of the topsheet 2 covering the liquid-absorbent core 4. Furthermore, these is no apprehension that the cuff 10 may make the diaper 1 bulky along the waist line and thereby make the diaper uncomfortable to wear, since the cuff 10 is folded back onto itself only in the crotch section 8 but substantially not at the longitudinally opposite ends of the diaper.
- the cuff 10 may be formed as a whole by an elastic sheet such as elastomeric sheet.
- an elastic sheet such as elastomeric sheet.
- such sheet may be bonded in its stretched state to the inner surface of the diaper without demand for use of the second elastic member 19.
- the top- and backsheets 2, 3 as well as the liquid-absorbent core 4 may be made of materials usually employed in this technical field.
- adhesive such as hot melt type adhesive or glue, or welding technique may be employed.
- elastic members may be bonded to the diaper also along the waist line to make the waist line elastic.
- the cuff may cover the topsheet over its unacceptably large area, reducing the effective area of the topsheet for liquid permeation capacity, even if the cuff is dimensioned to be relatively wide.
- Such cuff forms the pocket opening inwardly of the diaper when the cuff is not risen to prevent excretion from laterally leaking and forms the high barrier when the cuff is risen to stop up a gap possibly formed between the diaper and the wearer's crotch and thereby also to prevent possibly resulting lateral leakage of excretion.
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6082922A JPH07289583A (en) | 1994-04-21 | 1994-04-21 | Disposable diaper |
JP6-082922 | 1994-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5584828A true US5584828A (en) | 1996-12-17 |
Family
ID=13787738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/425,564 Expired - Lifetime US5584828A (en) | 1994-04-21 | 1995-04-20 | Disposable diaper |
Country Status (11)
Country | Link |
---|---|
US (1) | US5584828A (en) |
EP (1) | EP0678289B1 (en) |
JP (1) | JPH07289583A (en) |
CN (1) | CN2244390Y (en) |
AU (1) | AU700232B2 (en) |
CA (1) | CA2147580C (en) |
DE (1) | DE69510262T2 (en) |
ES (1) | ES2132531T3 (en) |
MY (1) | MY112903A (en) |
PH (1) | PH31530A (en) |
TW (1) | TW302691U (en) |
Cited By (34)
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US5827259A (en) | 1995-10-25 | 1998-10-27 | Kimberly-Clark Worldwide, Inc. | Absorbent article with waist elastic and containment system |
US5993433A (en) | 1997-10-20 | 1999-11-30 | Kimberly-Clark Worldwide, Inc. | Absorbent article with enhanced elastic design for improved aesthetics and containment |
US6000056A (en) * | 1998-07-10 | 1999-12-14 | Brady; Dennis P. | Disposable bib adapted to carry articles for use in feeding |
US6045545A (en) * | 1991-11-22 | 2000-04-04 | Peaudouce | Disposable absorbent article |
US6117121A (en) * | 1995-12-11 | 2000-09-12 | Kimberly-Clark Worldwide, Inc. | Absorbent article using extensible leg cuffs |
US20030088226A1 (en) * | 2001-11-07 | 2003-05-08 | Katsumasa Takagi | Disposable diaper including absorbent products and manufacturing method thereof |
US6620145B2 (en) * | 1999-11-30 | 2003-09-16 | Toyo Eizaki Kabushiki Kaisha | Disposable diaper |
US20050065489A1 (en) * | 2003-09-24 | 2005-03-24 | Driskell Stacy J. | Disposable Absorbent Artcle with Wetness Indicator |
US20050182380A1 (en) * | 2002-06-05 | 2005-08-18 | Masaru Fujioka | Absorbing article |
US20050234411A1 (en) * | 2004-04-14 | 2005-10-20 | The Procter & Gamble Company | Dual cuff for a unitary disposable absorbent article made of a continuous cuff material |
US20060206090A1 (en) * | 2003-06-20 | 2006-09-14 | Livedo Corporation | Disposable absorbent article |
US20070049895A1 (en) * | 2005-08-31 | 2007-03-01 | Kimberly-Clark Worldwide, Inc. | Disposable garment with biaxially stretchable inner layer |
US20070149943A1 (en) * | 2002-07-01 | 2007-06-28 | Kouichi Miyamoto | Disposable absorbent article having elasticized outer leg cuff |
US7794441B2 (en) | 2004-04-14 | 2010-09-14 | The Procter & Gamble Company | Dual cuff for a unitary disposable absorbent article being spaced away from backsheet |
US8246596B2 (en) | 2006-04-07 | 2012-08-21 | The Procter & Gamble Company | Absorbent article having a multi-dimensionally contoured barrier cuff |
US8939957B2 (en) | 2011-04-29 | 2015-01-27 | The Procter & Gamble Company | Absorbent article with leg gasketing cuff |
US9358161B2 (en) | 2011-06-21 | 2016-06-07 | The Procter & Gamble Company | Absorbent article with waistband having contraction |
CN105848618A (en) * | 2013-12-20 | 2016-08-10 | 宝洁公司 | Diaper with improved shape and fit |
US9610203B2 (en) | 2013-03-22 | 2017-04-04 | The Procter & Gamble Company | Disposable absorbent articles |
US9737444B2 (en) | 2011-06-21 | 2017-08-22 | The Procter & Gamble Company | Absorbent article with a waistband and leg cuffs having gathers |
US10485710B2 (en) | 2015-03-18 | 2019-11-26 | The Procter & Gamble Company | Absorbent article with leg cuffs |
US10524962B2 (en) | 2015-03-18 | 2020-01-07 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
US10524963B2 (en) | 2015-03-18 | 2020-01-07 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
US10531990B2 (en) | 2015-03-18 | 2020-01-14 | The Procter & Gamble Company | Absorbent article with leg cuffs |
US10531991B2 (en) | 2015-03-18 | 2020-01-14 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
US10537481B2 (en) | 2015-03-18 | 2020-01-21 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
US10543130B2 (en) | 2015-03-18 | 2020-01-28 | The Procter & Gamble Company | Absorbent article with leg cuffs |
US10588790B2 (en) | 2015-03-18 | 2020-03-17 | The Procter & Gamble Company | Absorbent article with leg cuffs |
US10660804B2 (en) | 2014-12-19 | 2020-05-26 | Kimberly-Clark Worldwide, Inc. | Absorbent article having longitudinal direction folded side regions |
US10716716B2 (en) | 2015-03-18 | 2020-07-21 | The Procter & Gamble Company | Absorbent article with leg cuffs |
US10792198B2 (en) | 2015-03-18 | 2020-10-06 | The Procter & Gamble Company | Absorbent article with leg cuffs |
US10864120B2 (en) | 2014-02-21 | 2020-12-15 | Attends Healthcare Products, Inc. | Absorbent article with fluid control features |
US11013642B2 (en) | 2012-05-15 | 2021-05-25 | The Procter & Gamble Company | Disposable absorbent pants with advantageous stretch and manufacturability features, and methods for manufacturing the same |
US11950990B2 (en) | 2023-04-11 | 2024-04-09 | The Procter & Gamble Company | Absorbent article with waist gasketing element and leg cuffs |
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MX9600133A (en) * | 1995-12-04 | 1997-06-28 | Kimberly Clark Co | An absorbent article with improved elastic margins and containment system. |
CA2237066A1 (en) * | 1995-12-11 | 1997-06-19 | Kimberly-Clark Worldwide, Inc. | Absorbent article with void volume containment flaps |
CA2166008A1 (en) * | 1995-12-18 | 1997-06-19 | Daniel Richard Laux | Absorbent article with improved elastic margins and containment system |
US5667609A (en) * | 1996-02-14 | 1997-09-16 | The Procter & Gamble Company | Method for attaching barrier cuffs to disposable absorbent article |
US6440117B1 (en) | 1998-04-02 | 2002-08-27 | Kao Corporation | Disposable diaper having upstanding walls for improving leakage prevention |
FR2815249B1 (en) * | 2000-10-12 | 2004-05-21 | Proteco | SINGLE USE ABSORBENT HYGIENE ARTICLE PROVIDED WITH A SINGLE BARRIER |
WO2007037391A1 (en) * | 2005-09-29 | 2007-04-05 | Daio Paper Corporation | Disposable pant-shaped diaper |
EP2815732B1 (en) * | 2012-02-14 | 2016-09-14 | Daio Paper Corporation | Absorbent article provided with novel leg gathers |
JP5580949B1 (en) * | 2014-04-09 | 2014-08-27 | ユニ・チャーム株式会社 | Disposable diapers |
MX2014007716A (en) * | 2014-06-23 | 2015-12-23 | Grupo P I Mabe Sa De C V | Disposable absorbent item with improved leg elastics. |
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US4695278A (en) * | 1985-10-11 | 1987-09-22 | The Procter & Gamble Company | Absorbent article having dual cuffs |
GB2212382A (en) * | 1987-12-19 | 1989-07-26 | Uni Charm Corp | Method for making disposable absorbent garments |
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WO1993009739A1 (en) * | 1991-11-22 | 1993-05-27 | Peaudouce | Disposable absorbent sanitary article such as a nappy with improved lateral barrier effect |
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JPS6468503A (en) * | 1987-09-07 | 1989-03-14 | Uni Charm Corp | Disposable diaper |
US5021051A (en) * | 1989-04-06 | 1991-06-04 | The Procter & Gamble Company | Disposable absorbent article having improved barrier leg cuffs |
CA2090797A1 (en) * | 1992-12-02 | 1994-06-03 | Mary Anne Bruemmer | Absorbent article having dual barrier means |
-
1994
- 1994-04-21 JP JP6082922A patent/JPH07289583A/en active Pending
-
1995
- 1995-04-13 TW TW084204772U patent/TW302691U/en unknown
- 1995-04-13 AU AU16455/95A patent/AU700232B2/en not_active Ceased
- 1995-04-17 MY MYPI95000992A patent/MY112903A/en unknown
- 1995-04-19 PH PH50358A patent/PH31530A/en unknown
- 1995-04-20 US US08/425,564 patent/US5584828A/en not_active Expired - Lifetime
- 1995-04-20 CN CN95209659U patent/CN2244390Y/en not_active Expired - Lifetime
- 1995-04-21 EP EP95302675A patent/EP0678289B1/en not_active Expired - Lifetime
- 1995-04-21 ES ES95302675T patent/ES2132531T3/en not_active Expired - Lifetime
- 1995-04-21 CA CA002147580A patent/CA2147580C/en not_active Expired - Fee Related
- 1995-04-21 DE DE69510262T patent/DE69510262T2/en not_active Expired - Lifetime
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US4695278A (en) * | 1985-10-11 | 1987-09-22 | The Procter & Gamble Company | Absorbent article having dual cuffs |
GB2212382A (en) * | 1987-12-19 | 1989-07-26 | Uni Charm Corp | Method for making disposable absorbent garments |
US5167653A (en) * | 1990-12-18 | 1992-12-01 | Uni-Charm Corporation | Disposable garments |
JPH04297256A (en) * | 1991-03-26 | 1992-10-21 | Uni Charm Corp | Disposable wearing article |
WO1993009739A1 (en) * | 1991-11-22 | 1993-05-27 | Peaudouce | Disposable absorbent sanitary article such as a nappy with improved lateral barrier effect |
Cited By (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6045545A (en) * | 1991-11-22 | 2000-04-04 | Peaudouce | Disposable absorbent article |
US5827259A (en) | 1995-10-25 | 1998-10-27 | Kimberly-Clark Worldwide, Inc. | Absorbent article with waist elastic and containment system |
US6117121A (en) * | 1995-12-11 | 2000-09-12 | Kimberly-Clark Worldwide, Inc. | Absorbent article using extensible leg cuffs |
US5993433A (en) | 1997-10-20 | 1999-11-30 | Kimberly-Clark Worldwide, Inc. | Absorbent article with enhanced elastic design for improved aesthetics and containment |
US6000056A (en) * | 1998-07-10 | 1999-12-14 | Brady; Dennis P. | Disposable bib adapted to carry articles for use in feeding |
US6620145B2 (en) * | 1999-11-30 | 2003-09-16 | Toyo Eizaki Kabushiki Kaisha | Disposable diaper |
US20030088226A1 (en) * | 2001-11-07 | 2003-05-08 | Katsumasa Takagi | Disposable diaper including absorbent products and manufacturing method thereof |
US7338479B2 (en) * | 2002-06-05 | 2008-03-04 | Livedo Corporation | Absorbent article with cuff having adhesive outside fixed end inner edge |
US20050182380A1 (en) * | 2002-06-05 | 2005-08-18 | Masaru Fujioka | Absorbing article |
US10918533B2 (en) | 2002-07-01 | 2021-02-16 | The Procter & Gamble Company | Disposable absorbent article having elasticized outer leg cuff |
US9301889B2 (en) | 2002-07-01 | 2016-04-05 | The Procter & Gamble Company | Disposable absorbent article having elasticized outer leg cuff |
US8062279B2 (en) | 2002-07-01 | 2011-11-22 | The Procter & Gamble Company | Disposable absorbent article having elasticized outer leg cuff |
US20070149943A1 (en) * | 2002-07-01 | 2007-06-28 | Kouichi Miyamoto | Disposable absorbent article having elasticized outer leg cuff |
US20060206090A1 (en) * | 2003-06-20 | 2006-09-14 | Livedo Corporation | Disposable absorbent article |
US7753899B2 (en) * | 2003-06-20 | 2010-07-13 | Livedo Corporation | Disposable absorbent article |
US20050065489A1 (en) * | 2003-09-24 | 2005-03-24 | Driskell Stacy J. | Disposable Absorbent Artcle with Wetness Indicator |
US7794441B2 (en) | 2004-04-14 | 2010-09-14 | The Procter & Gamble Company | Dual cuff for a unitary disposable absorbent article being spaced away from backsheet |
US20050234411A1 (en) * | 2004-04-14 | 2005-10-20 | The Procter & Gamble Company | Dual cuff for a unitary disposable absorbent article made of a continuous cuff material |
US7785309B2 (en) | 2005-08-31 | 2010-08-31 | Kimberly-Clark Worldwide, Inc. | Disposable garment with biaxially stretchable inner layer |
US20070049895A1 (en) * | 2005-08-31 | 2007-03-01 | Kimberly-Clark Worldwide, Inc. | Disposable garment with biaxially stretchable inner layer |
US8246596B2 (en) | 2006-04-07 | 2012-08-21 | The Procter & Gamble Company | Absorbent article having a multi-dimensionally contoured barrier cuff |
US10206825B2 (en) | 2011-04-29 | 2019-02-19 | The Procter & Gamble Company | Absorbent article with leg gasketing cuff |
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US8939957B2 (en) | 2011-04-29 | 2015-01-27 | The Procter & Gamble Company | Absorbent article with leg gasketing cuff |
US9566195B2 (en) | 2011-06-21 | 2017-02-14 | The Procter & Gamble Company | Absorbent article with waistband having contraction |
US10058460B2 (en) | 2011-06-21 | 2018-08-28 | The Procter & Gamble Company | Absorbent article with waistband having contraction |
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US9358161B2 (en) | 2011-06-21 | 2016-06-07 | The Procter & Gamble Company | Absorbent article with waistband having contraction |
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US11013642B2 (en) | 2012-05-15 | 2021-05-25 | The Procter & Gamble Company | Disposable absorbent pants with advantageous stretch and manufacturability features, and methods for manufacturing the same |
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US10864120B2 (en) | 2014-02-21 | 2020-12-15 | Attends Healthcare Products, Inc. | Absorbent article with fluid control features |
US10660804B2 (en) | 2014-12-19 | 2020-05-26 | Kimberly-Clark Worldwide, Inc. | Absorbent article having longitudinal direction folded side regions |
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Also Published As
Publication number | Publication date |
---|---|
DE69510262D1 (en) | 1999-07-22 |
AU1645595A (en) | 1995-11-02 |
MY112903A (en) | 2001-10-31 |
CN2244390Y (en) | 1997-01-08 |
CA2147580C (en) | 1999-01-12 |
ES2132531T3 (en) | 1999-08-16 |
AU700232B2 (en) | 1998-12-24 |
DE69510262T2 (en) | 1999-12-16 |
JPH07289583A (en) | 1995-11-07 |
TW302691U (en) | 1997-04-11 |
EP0678289A1 (en) | 1995-10-25 |
PH31530A (en) | 1998-11-03 |
CA2147580A1 (en) | 1995-10-22 |
EP0678289B1 (en) | 1999-06-16 |
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